CA1225712A - Methode de transmission de signaux a debit variable - Google Patents
Methode de transmission de signaux a debit variableInfo
- Publication number
- CA1225712A CA1225712A CA000461787A CA461787A CA1225712A CA 1225712 A CA1225712 A CA 1225712A CA 000461787 A CA000461787 A CA 000461787A CA 461787 A CA461787 A CA 461787A CA 1225712 A CA1225712 A CA 1225712A
- Authority
- CA
- Canada
- Prior art keywords
- signal
- distortion
- transmission rate
- receiving equipment
- transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000008054 signal transmission Effects 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 84
- 238000005259 measurement Methods 0.000 claims abstract description 24
- 230000006870 function Effects 0.000 description 33
- 230000000875 corresponding effect Effects 0.000 description 13
- 230000010354 integration Effects 0.000 description 11
- 238000000605 extraction Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 8
- 230000003321 amplification Effects 0.000 description 6
- 238000003199 nucleic acid amplification method Methods 0.000 description 6
- 238000007689 inspection Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- FVJPPEWHZCSTAC-UHFFFAOYSA-N meta-O-Dealkylated flecainide Chemical compound OC1=CC=C(OCC(F)(F)F)C(C(=O)NCC2NCCCC2)=C1 FVJPPEWHZCSTAC-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/333—Mode signalling or mode changing; Handshaking therefor
- H04N1/33307—Mode signalling or mode changing; Handshaking therefor prior to start of transmission, input or output of the picture signal only
- H04N1/33323—Mode signalling or mode changing; Handshaking therefor prior to start of transmission, input or output of the picture signal only transmission mode only, e.g. speed
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
- H04L1/206—Arrangements for detecting or preventing errors in the information received using signal quality detector for modulated signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
- H04L5/1438—Negotiation of transmission parameters prior to communication
- H04L5/1446—Negotiation of transmission parameters prior to communication of transmission speed
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/333—Mode signalling or mode changing; Handshaking therefor
- H04N1/33346—Mode signalling or mode changing; Handshaking therefor adapting to a particular standardised protocol
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/333—Mode signalling or mode changing; Handshaking therefor
- H04N1/33392—Details of handshaking
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/333—Mode signalling or mode changing; Handshaking therefor
- H04N2201/33307—Mode signalling or mode changing; Handshaking therefor of a particular mode
- H04N2201/33342—Mode signalling or mode changing; Handshaking therefor of a particular mode of transmission mode
- H04N2201/3335—Speed or rate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/333—Mode signalling or mode changing; Handshaking therefor
- H04N2201/33307—Mode signalling or mode changing; Handshaking therefor of a particular mode
- H04N2201/33342—Mode signalling or mode changing; Handshaking therefor of a particular mode of transmission mode
- H04N2201/33371—Mode signalling or mode changing; Handshaking therefor of a particular mode of transmission mode using test signals, e.g. checking error occurrences
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Computer Networks & Wireless Communication (AREA)
- Facsimile Transmission Control (AREA)
- Facsimile Image Signal Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58158221A JPH0722324B2 (ja) | 1983-08-30 | 1983-08-30 | データ伝送方式 |
JP58-158221 | 1983-08-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1225712A true CA1225712A (fr) | 1987-08-18 |
Family
ID=15666926
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000461787A Expired CA1225712A (fr) | 1983-08-30 | 1984-08-24 | Methode de transmission de signaux a debit variable |
Country Status (5)
Country | Link |
---|---|
US (1) | US4630126A (fr) |
EP (1) | EP0137695B1 (fr) |
JP (1) | JPH0722324B2 (fr) |
CA (1) | CA1225712A (fr) |
DE (1) | DE3483711D1 (fr) |
Families Citing this family (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6265554A (ja) * | 1985-09-17 | 1987-03-24 | Toshiba Corp | フアクシミリの通信方法 |
US4780883A (en) * | 1986-06-26 | 1988-10-25 | Racal Data Communications Inc. | Data modem with adaptive synchronized speed change |
US4748625A (en) * | 1986-07-28 | 1988-05-31 | Motorola, Inc. | Optimum baud rate transmission system |
EP0327533B1 (fr) * | 1986-10-21 | 1993-07-07 | Motorola, Inc. | Recepteur de radiocommunications avec appareil pour modifier le debit binaire du recepteur |
JPH0831935B2 (ja) * | 1987-09-21 | 1996-03-27 | 国際電信電話株式会社 | ファクシミリ通信方法 |
US5159465A (en) * | 1987-10-09 | 1992-10-27 | Ricoh Company, Ltd. | Facsimile machine having a transmission speed selective shiftdown function |
JPH01243748A (ja) * | 1988-03-25 | 1989-09-28 | Oki Electric Ind Co Ltd | ファクシミリ通信方式並びにファクシミリ装置 |
JP2810064B2 (ja) * | 1988-09-29 | 1998-10-15 | キヤノン株式会社 | 画像通信装置 |
US5351134A (en) * | 1988-04-07 | 1994-09-27 | Canon Kabushiki Kaisha | Image communication system, and image communication apparatus and modem used in the system |
US4910794A (en) * | 1988-08-04 | 1990-03-20 | Norand Corporation | Mobile radio data communication system and method |
JP2788258B2 (ja) * | 1988-09-06 | 1998-08-20 | 株式会社リコー | ファクシミリ通信方式 |
US5007047A (en) * | 1988-12-02 | 1991-04-09 | Codex Corporation | Adaptive rate control for echo cancelling modem |
US5048054A (en) * | 1989-05-12 | 1991-09-10 | Codex Corporation | Line probing modem |
JPH0822012B2 (ja) * | 1989-08-05 | 1996-03-04 | 松下電送株式会社 | ファクシミリ通信方式 |
US5199061A (en) * | 1989-09-06 | 1993-03-30 | Electronics And Telecommunications Research Institute | Communication method and equipment for freeze-frame video phone |
FR2652966B1 (fr) * | 1989-10-10 | 1994-06-10 | Sagem | Procede de transmission de telecopies, avec essai de la voie de transmission, appareil d'emission et appareil de reception pour la mise en óoeuvre de ce procede. |
JPH04117067A (ja) * | 1990-06-11 | 1992-04-17 | Fujitsu Ltd | ファクシミリ装置 |
US5274474A (en) * | 1991-01-23 | 1993-12-28 | Randolph-Rand Corporation | Integrated telefacsimile and character communication system with standard and high speed modes |
US5509050A (en) * | 1991-04-16 | 1996-04-16 | Quadphase Corporation | Facsimile radio communication system having multiple data speeds |
JPH0573208A (ja) * | 1991-09-13 | 1993-03-26 | Wacom Co Ltd | 制御装置分離型の表示装置付座標検出装置 |
US5299257A (en) * | 1992-02-21 | 1994-03-29 | At&T Bell Laboratories | Subscriber initiated non-intrusive network-based analysis of facsimile transmissions |
JP2871349B2 (ja) * | 1992-09-14 | 1999-03-17 | ブラザー工業株式会社 | 通信装置 |
US5548412A (en) * | 1992-09-14 | 1996-08-20 | Brother Kogyo Kabushiki Kaisha | Data communication device with transmitting condition set in accordance with noise level of activating means |
FR2697122B1 (fr) * | 1992-10-19 | 1995-01-06 | Sacci Eg | Dispositif de traitement vidéo et procédé de transmission d'informations entre deux unités de traitement. |
JP3290231B2 (ja) * | 1993-03-02 | 2002-06-10 | 株式会社日立製作所 | 音声画像通信装置 |
US5684602A (en) * | 1993-06-30 | 1997-11-04 | Matsushita Graphic Communication Systems, Inc. | Facsimile apparatus with coding/decoding interrupt |
US5490209A (en) * | 1994-02-09 | 1996-02-06 | Harris Corporation | Autobaud rate detection mechanism |
US5799069A (en) * | 1994-09-29 | 1998-08-25 | Intel Corporation | Method and apparatus for dynamically adapting the clock rate and data transfer rate of phone-line powered modems. |
US5801842A (en) * | 1994-12-27 | 1998-09-01 | International Patent Holdings Ltd. | Telefacsimile module connectable to telefacsimile machines for transmitting data in standard or high speed modes |
US5526410A (en) * | 1995-01-12 | 1996-06-11 | Texas Instruments Incorporated | Method and system for determination of signal/noise ratio of telephone transmission line used for facsimile transmission |
US7123600B2 (en) | 1995-06-30 | 2006-10-17 | Interdigital Technology Corporation | Initial power control for spread-spectrum communications |
US7020111B2 (en) | 1996-06-27 | 2006-03-28 | Interdigital Technology Corporation | System for using rapid acquisition spreading codes for spread-spectrum communications |
US6697350B2 (en) | 1995-06-30 | 2004-02-24 | Interdigital Technology Corporation | Adaptive vector correlator for spread-spectrum communications |
US7929498B2 (en) | 1995-06-30 | 2011-04-19 | Interdigital Technology Corporation | Adaptive forward power control and adaptive reverse power control for spread-spectrum communications |
US6940840B2 (en) | 1995-06-30 | 2005-09-06 | Interdigital Technology Corporation | Apparatus for adaptive reverse power control for spread-spectrum communications |
US6788662B2 (en) | 1995-06-30 | 2004-09-07 | Interdigital Technology Corporation | Method for adaptive reverse power control for spread-spectrum communications |
US7072380B2 (en) | 1995-06-30 | 2006-07-04 | Interdigital Technology Corporation | Apparatus for initial power control for spread-spectrum communications |
ZA965340B (en) | 1995-06-30 | 1997-01-27 | Interdigital Tech Corp | Code division multiple access (cdma) communication system |
US6885652B1 (en) | 1995-06-30 | 2005-04-26 | Interdigital Technology Corporation | Code division multiple access (CDMA) communication system |
US6816473B2 (en) | 1995-06-30 | 2004-11-09 | Interdigital Technology Corporation | Method for adaptive forward power control for spread-spectrum communications |
US5953346A (en) | 1996-06-27 | 1999-09-14 | Interdigital Technology Corporation | CDMA communication system which selectively suppresses data transmissions during establishment of a communication channel |
US6111870A (en) | 1996-11-07 | 2000-08-29 | Interdigital Technology Corporation | Method and apparatus for compressing and transmitting high speed data |
GB2325381A (en) * | 1997-05-17 | 1998-11-18 | Motorola Ltd | Dual Speed Communications Apparatus |
US6167031A (en) * | 1997-08-29 | 2000-12-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Method for selecting a combination of modulation and channel coding schemes in a digital communication system |
US6144464A (en) * | 1997-09-11 | 2000-11-07 | 3Com Corporation | Method and system for modification of fax data rate over wireless channels |
US5991269A (en) * | 1998-09-15 | 1999-11-23 | Northern Telecom Limited | Wireline modem, communication system and method of setting-up such |
US7133441B1 (en) * | 1999-02-23 | 2006-11-07 | Actelis Networks Inc. | High speed access system over copper cable plant |
AU2001211726A1 (en) * | 2000-11-01 | 2002-05-15 | Actelis Networks Ltd. | High speed access system over copper cable plant |
US8234399B2 (en) * | 2003-05-29 | 2012-07-31 | Seagate Technology Llc | Method and apparatus for automatic phy calibration based on negotiated link speed |
US7826798B2 (en) | 2003-11-20 | 2010-11-02 | Intel Corporation | Trained data transmission for communication systems |
US7373112B2 (en) * | 2003-08-08 | 2008-05-13 | Intel Corporation | Trained data transmission for communication systems |
US7447232B2 (en) * | 2003-09-30 | 2008-11-04 | Intel Corporation | Data burst transmission methods in WLAN devices and systems |
KR100677147B1 (ko) * | 2004-11-02 | 2007-02-02 | 삼성전자주식회사 | 팩시밀리 전송속도 설정방법 및 장치 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS538010A (en) * | 1976-07-12 | 1978-01-25 | Hitachi Denshi Ltd | Transmission control unit |
JPS5816668B2 (ja) * | 1976-11-12 | 1983-04-01 | 富士通株式会社 | フアクシミリ電送方式 |
JPS6028424B2 (ja) * | 1977-04-25 | 1985-07-04 | ケイディディ株式会社 | 伝送速度切替方式 |
JPS575465A (en) * | 1980-06-13 | 1982-01-12 | Mitsubishi Electric Corp | Facsimile signal transmission system |
JPS5726961A (en) * | 1980-07-24 | 1982-02-13 | Ricoh Co Ltd | Facsimile transmission system |
JPS58139563A (ja) * | 1982-02-13 | 1983-08-18 | Canon Inc | フアクシミリ装置 |
-
1983
- 1983-08-30 JP JP58158221A patent/JPH0722324B2/ja not_active Expired - Lifetime
-
1984
- 1984-08-24 CA CA000461787A patent/CA1225712A/fr not_active Expired
- 1984-08-29 DE DE8484305875T patent/DE3483711D1/de not_active Expired - Lifetime
- 1984-08-29 EP EP84305875A patent/EP0137695B1/fr not_active Expired - Lifetime
- 1984-08-30 US US06/645,729 patent/US4630126A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4630126A (en) | 1986-12-16 |
DE3483711D1 (de) | 1991-01-17 |
JPS6051071A (ja) | 1985-03-22 |
JPH0722324B2 (ja) | 1995-03-08 |
EP0137695A2 (fr) | 1985-04-17 |
EP0137695B1 (fr) | 1990-12-05 |
EP0137695A3 (en) | 1987-09-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA1225712A (fr) | Methode de transmission de signaux a debit variable | |
US5241565A (en) | Method and apparatus for effecting efficient transmission of data | |
US4710925A (en) | Data communication system | |
US5077742A (en) | Error-corrected facsimile communication control system | |
JP3573491B2 (ja) | ファクシミリ品質を判定するための方法並びに装置および同一機能を用いたシステム | |
JPS6336620A (ja) | フアクシミリ伝送方式 | |
EP0426336B1 (fr) | Compression d'un signal fac-similé PCM pour transmission dans un système de commutation progiciel | |
JP3193036B2 (ja) | データ伝送装置 | |
JP4126769B2 (ja) | 通信装置 | |
US20030090738A1 (en) | Channel estimation in a facsimile modem and method therefor | |
EP0478205B1 (fr) | Appareil pour la transmission numérique d'appels fac-similés utilisant détection et regénération de tonalité de protection contre l'écho | |
JP3207449B2 (ja) | データ伝送装置及びデータ伝送方法 | |
JPS59107661A (ja) | デ−タ通信方式 | |
JPS61240762A (ja) | ファクシミリ通信方法 | |
JPH06178076A (ja) | 無線ファクシミリ通信装置 | |
US7081973B2 (en) | Facsimile machine and facsimile communications method | |
KR970003380B1 (ko) | 팩시밀리의 전송속도 제어방법 | |
JP3501825B2 (ja) | データ通信装置 | |
JP2604188B2 (ja) | ファクシミリ装置 | |
JP3459709B2 (ja) | ファクシミリ装置 | |
JPH0715597A (ja) | ファクシミリ装置 | |
JP3337894B2 (ja) | ファクシミリ装置 | |
Hui et al. | Comparison of standard G3 and ECM G3 transmission using computer simulation | |
JPH09261360A (ja) | データ通信装置 | |
JPH09261368A (ja) | データ通信装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry | ||
MKEX | Expiry |
Effective date: 20040824 |